<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		h1,p,div{
			color:red;
			font-size:20px;
		}
	</style>
</head>
<body>
	<h1>
		我是h1标签
	</h1>
	<p>
		我是p标签
	</p>
	<div>
		我是div标签
	</div>
</body>
</html>